Electromagnetic Field Theory Poyniting vector has the dimensions Watt × metre. Watt × metre2. Watt/metre. Watts/metre2. Watt × metre. Watt × metre2. Watt/metre. Watts/metre2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of all flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 2.0. 0.5. 1.0. Zero. 2.0. 0.5. 1.0. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have high resistivity. large coercivity. high hysteresis coefficient. small B-H loop area. high resistivity. large coercivity. high hysteresis coefficient. small B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 0.4 π V. 8 π V. 0.8 π V. Zero. 0.4 π V. 8 π V. 0.8 π V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 50 W. 15 W. 25 W. 20 W. 50 W. 15 W. 25 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 8 A/m. 2 A/m. 4 A/m. 1 A/m. 8 A/m. 2 A/m. 4 A/m. 1 A/m. ANSWER DOWNLOAD EXAMIANS APP
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